LP3919 Datasheet, PDF (1/2 Pages) National Semiconductor (TI) – CDMA Power Management Unit

June 2007
LP3919
CDMA Power Management Unit
General Description
The LP3919 is a complete Power Management Unit (PMU)
designed for CDMA cellular phones. The LP3919 PMU con-
tains a Li-Ion battery charger, low-noise low-dropout voltage
regulators, buck regulators, a USB Transceiver, comparators
and a high-speed serial interface to program on/off conditions
and output voltages of individual regulators, and to read sta-
tus information of the PMU.
Notice:
For more information regarding this product, to order
samples, or for further information, please contact your
local National Semiconductor sales office.
System Diagram
30003001
Notice:
For more information regarding this product, to order samples, or for further information, please contact your local
National Semiconductor sales office.
© 2007 National Semiconductor Corporation 300030
www.national.com